An exploration of strange and inexplicable mysteries; contributions from scientists, historians and witnesses as they seek to shed light on how the impossible can happen.

The UnXplained

Childhood friends and antiques collectors, Mike Wolfe and Frank Fritz, travel the United States looking for rare artifacts and national treasures.

American Pickers

Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.

Ancient Aliens

A team of scientists and experts conducts a thorough and daring search of the infamous 512-acre property in an attempt to find the answers behind more than 200 years of UFO sightings, strange animal mutations, and paranormal related mysteries.

The Secret of Skinwalker Ranch

The Harrisons run the only family-owned pawnshop in Las Vegas, using their skills and network of experts to assess the value of customers' items and make deals.

Pawn Stars

Eustace Conway and others try to obtain the food and supplies to make it through winter.

Mountain Men

Using new evidence to look at some of the most historically important mysteries of recent times.

History's Greatest Mysteries

Participants are forced to use their wits when left in the wilderness with nothing but a backpack; struggling with harsh weather, hostile locations and aggressive wildlife.

Alone

Master bladesmiths are challenged to re-create some of history's most iconic edged weapons, then a panel of judges tests the weaponry and decides who is the "Forged in Fire" champion.

Forged in Fire

The innovations, failures and incredible achievements of some of the most successful businesses in history, from megastores like Costco and Walmart to shipping giants like FedEx and UPS, that forever changed the way Americans live.

The Mega-Brands That Built America

Cameras capture the action in the Atchafalaya Basin during alligator-hunting season.

Swamp People

Rick and Marty Lagina, two brothers from Michigan, attempt to solve the mystery of Oak Island, a tree-covered island on the south shore of Nova Scotia.

The Curse of Oak Island

Explores and reveals newly available evidence about declassified government activities throughout history.

Secrets Declassified With David Duchovny

Documenting life in remote logging camps in the Pacific Northwest.

Ax Men

Survivalists are dropped off alone in separate areas of the Tasmanian wilderness where they must deal with the forces of nature, hunger and loneliness in an attempt to win $250,000.

Alone Australia

Host Tony Harris investigates alleged videos, photos and audio recordings of giant beasts, UFOs, alleged mutants from the deep, and other mysterious phenomenon.

The Proof Is Out There

The stories of the families behind the food that built America, those who used brains, muscle, blood, sweat and tears to get to America's heart through its stomach, those who invented new technologies and helped win wars.

The Food That Built America

Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

Modern Marvels

Experts answer ancient mysteries with the help of CGI.

The Universe: Ancient Mysteries Solved

"Forged in Fire" tests some of the best in the field of bladesmithing as it attempts to re-create some of history's most iconic edged weapons. Four master bladesmiths are challenged in each episode to forge swords, which are tested by a panel of judges. The contestant who survives the elimination rounds -- judged by a man who has been making knives for over 20 years, a hand-to-hand combat specialist, and an authority on period-accurate weaponry -- will take home $10,000 and the Forged in Fire title. Join the contestants for a bladesgiving as they craft unique and accurate weapons.

Forged in Fire: Bladesgiving

For over a year, First Lady Edith ran the country in one of the best-kept secrets in the annals of White House history.

Madam President

Cinco de Mayo commemorates the Mexican victory against the French army at the Battle of Puebla on May 5, 1862.

Cinco de Mayo

In an effort to gain a broader perspective and build larger data sets, the Skinwalker team adds two team members and takes the offensive by pursuing evidence of similar phenomena found at analogous sites around the country.

Beyond Skinwalker Ranch

Experts search for the reasons why the Great Sphinx of Egypt is constructed of different stone, and for the identity of the pharaoh portrayed on the head.

The Sphinx of Egypt

Explores the historical facts, political entanglements and military struggles of the Korean War.

The Korean War: Fire & Ice

Sex through the ages in various cultures.

The History of Sex

High-school science teacher Craig Beals digs into one of America's biggest mysteries, the Yellowstone super volcano; Craig is on a mission to find out when it erupted last.

Secret Earth: Yellowstone Supervolcano

The Soviet Union copies the U.S. B-29 Superfortress, World War II's most advanced aircraft.

Stealing the Superfortress

A countdown that details how ancient technology worked, how surprisingly advanced it was, and how it was kind of awesome!

Ancient Top 10

Bruce Bueno de Mesquita, a renowned political scientist who teaches game theory at New York University and Stanford, uses computer technology to try to predict events.

The Next Nostradamus

Geologist Dr. Martin Pepper is out to prove his theory that the true Atlantis existed on the Greek island of Santorini, but he has to match Santorini to a series of clues embedded in the first description of Atlantis by the Greek philosopher Plato.

Atlantis Found

Insight into both the personal and on-screen lives of WWE superstars.

Biography: WWE Legends

This two-hour special features an in-depth account of the recent breakout of escaped killers Richard Matt and David Sweat from Clinton Correctional Prison in upstate New York.

America's Greatest Prison Breaks

The visionary titans who pioneered the U.S. automobile industry and transformed the country; archival footage and interviews with race car drivers and experts re-create the epic journey, from the early days to the glory days, of the muscle car.

The Cars That Made America

Some inventions of the classical world equal or surpass modern technology.

Ancient Discoveries

On the 50th anniversary of the historic moon landing, lost tapes of the Apollo 11 astronauts are unearthed, and the discovery of the dangers and challenges of the mission to the moon come to light.

Moon Landing: The Lost Tapes

As the Earth's average temperature rises each year, experts warn we are nearing a fatal tipping point that will set into motion a cascade of natural disasters that will devastate the United States and the world.

Two Degrees: The Point of No Return

Follows those in entertainment who took risks, innovated and blazed trails to redefine performing.

The Icons That Built America

Technology makes things happen; sometimes it changes things for the better, sometimes for the worse.

Tech Effect

Combat veterans Rudy Reyes and Ronnie Adkins unravel the mysteries behind the strangest and most controversial images, sounds and documents from the modern history of war.

The Proof Is Out There: Military Mysteries

Looking at the birth of America's first intelligence units, set in motion in by President Lincoln himself in the early days of the war; exploring a spy who broke the boundaries of gender and race.

The Secret History of the Civil War

Seemingly ordinary objects can hold powerful significance in the annals of human history.

101 Objects that Changed the World

The Confederate forces caught Union forces by surprise at Shiloh Church in Tennessee.

Civil War Combat

A look at how to increase your odds of winning the lottery; can a place be unlucky; the odds of winning big in Las Vegas and ultimately show you how you just might be able to change your luck.

Ultimate Secrets of Luck

Czar Peter the Great creates the modern Russian navy during the late 1600s.

The Russian Navy

Legends tell of a night creature that feeds on the blood of the living.

Vampire Secrets

Recounting moments of key battles in the Pacific through the use of photographs and interviews.

Pacific: The Lost Evidence

Experts review prophecies about the Mayan calendar and the significance of Dec. 21, 2012.

Countdown to Apocalypse

Reviewing the strategies, tactics and weapons used by ancient commanders.

Battles BC

A chronicle of Vladimir Putin's childhood and his career as a KGB agent; an investigation into the Russian president's character and how he emerged as an influential dictator capable of manipulating U.S. elections and threatening Western democraices.

America's Greatest Threat: Vladimir Putin

Exploring mysterious icons from the past who shared one obsession, from exotic animals to billion-dollar parties to nine-figure palaces.

History's Crazy Rich Ancients

The long and ferocious rivalry between Coke and Pepsi with emphasis on the New Coke debacle of 1985; in 1985 in a stranger-than-fiction twist, Coca-Cola's executives took a step so daring that no one in either company could see it coming.

Cola Wars

Profile of three generations of the family that built an international business giant and became well-known philanthropists, giving generously to their city and country.

Heinz: The Ketchup Kings

Archaeologists discover the fourth and greatest of the ancient Egyptian pyramids constructed on the Giza plateau; 5,000 years ago Pharaoh Radjedef tries to surpass the achievements of his hated father, Khufu.

The Lost Pyramid

Professor Tudor Parfitt embarks on a harrowing journey of discovery to reveal where the Ark of the Covenant may be found and what it may look like.

Quest for the Lost Ark

Snipers share their stories, techniques and the factors they have to consider, including terrain, wind speed, temperature, and elevation changes; a look at the high-tech gear snipers carry on classified missions.

Sniper: Bulletproof

Little Bighorn is the most iconic battle of the American West, studied and debated by historians; one Montana family is determined to solve the battlefield's final mystery and reveal a priceless lost treasure hidden away for more than a century.

Custer: The Final Mystery

Biography

A profile of Joaquin "El Chapo" Guzmán, who rose from obscurity to become one of Mexico's most notorious and powerful drug lords; an examination of the man behind the myth and the ways in which his international drug cartel impacts U.S. citizens.

The Rise and Fall of El Chapo

Nomadic American Indians' motivation, tactics, weapons and experiences.

Comanche Warriors

Nimoy explores tales of the unknown or supernatural.

Ancient Mysteries

The mercenary pilots of the American Volunteer Group that fought Japan, became known as "Flying Tigers.".

The Real Flying Tigers

Decoding the Past

From George Washington to Barack Obama, presidential power evolves.

Ultimate Guide to the Presidents

The 761st Tank Battalion is the first all-black unit to see combat in World War II.

First to Fight: The Black Tankers of WWII

The often untold story of how modern truck technology is a key component to emergency services.

Rescue Trucks

Rare footage filmed by soldiers reveals sights, sounds and stories of the Vietnam War.

Vietnam in HD

The history and mystery of Freemasonry, considered to have played a crucial role in the foundation of U.S. character.

The Secret Brotherhood of Freemasons

Out of the ashes of World War I, a new generation of Titan rises; Pierre Du Pont, Walter Chrysler, J.P. Morgan Jr., Henry Ford, and William Boeing; their fight to reach the top will transform America as they compete to dominate new industries.

The Titans That Built America

Unsung Heroes

Sagas of barbarian tribes are placed into historical context.

Barbarians II

Italian journalist Enza Massa stumbles across a mysterious manuscript, dating to 1629, attributed to a prophet and containing illustrations of his predictions.

The Lost Book of Nostradamus

Brothers Rick and Marty Lagina are closer than ever to solving the mystery.

Tales From Oak Island

Chronicling the stories of the visionaries behind the most epic builds of the past two centuries; unknown tales of rivalries, egos, backdoor politics and the brilliant innovations behind iconic feats of engineering that made the future possible.

The Engineering That Built the World

Examining evidence of possible alien encounters.

UFO Files

The iconic figures who explored and fought to claim the country's vast wilderness during its early, volatile years, from the American Revolution through the California Gold Rush.

The Men Who Built America: Frontiersmen

The golden age of piracy encompasses true stories of infamous seafarers, including Blackbeard, Anne Bonny, Henry Jennings, Calico Jack, Henry Morgan, and Black Bart Roberts.

True Caribbean Pirates

A look back at the most well-known news stories.

What Happened After ...?

The Secret Service

Freemasonry's connections with America's founding fathers; Masonic symbols found on the Great Seal and the dollar bill; occult symbolism in the grid design of Washington, D.C.

Secrets of the Founding Fathers

History's greatest warriors -- Hannibal, Spartacus, Attila the Hun, and other rebels -- lead wave after wave of revolts against the Roman Empire and bring it to its knees after 700 years.

Barbarians Rising

Searching for lost objects associated with notable moments and stories in history.

Brad Meltzer's Lost History

Stephanie McMahon and Paul "Triple H" Levesque lead a team of collectors and wrestling superstars as they investigate, negotiate and bid, traveling across the country, hunting down and trying to reclaim some of the most elusive WWE collectibles.

WWE's Most Wanted Treasures

The Odessa organization, believed to have helped high-ranking Nazis escape prosecution after World War II.

The Odessa File

The fellowship has uncovered thousands of clues as to what could've happened on Oak Island, sparking this centuries-old mystery.

The Curse of Oak Island: The Fellowship's Top Ten Finds

Recent excavations at Teotihuacan, site of Mexico's Great Pyramids, reveal that they were not built by Aztecs, as originally thought, but by an unknown earlier civilization.

Mexico's Great Pyramids

A look at how the human race has survived throughout the ages.

Mankind: The Story of All of Us

Ten years later, photographer Andrea Booher finds people that she photographed at the ruins of the World Trade Center after the Sept. 11, 2001, attacks.

Portraits From Ground Zero

Revelation: The End of Days

A look at the ten-year effort to find Osama bin Laden, the man responsible for the 9/11 attacks and the leader of the terrorist group al-Qaeda.

Revealed: The Hunt for Bin Laden

Eighteen American soldiers die in the Battle of Mogadishu, Somalia.

The True Story of Black Hawk Down

A personal account tells the harrowing story of 16 rugby players who survived a 1972 plane crash in the Andes.

I Am Alive: Surviving the Andes Plane Crash

The secretive world of the Navy SEALs as they fight the war of terror on the front lines; from Al Qaeda to ISIS, from Iran to Afghanistan, and from 9/11 to today; never-heard-before missions as told by the Navy SEALs who lived through them.

Navy SEALs: America's Secret Warriors

The story of the second wave of talented Black baseball players after Jackie Robinson, including Bill White, Curt Flood and Bob Gibson, who were up next in the fight for racial equality.

After Jackie

An examination of history that isn't taught in the schools.

Haunted History

Scientists glimpse the lives of ancestral humans.

Ape to Man

Exploring notable moments from criminal organizations, including money-making rackets, turf wars, mob hits, informants and federal takedowns; interviews with journalists, authors and former members of criminal organizations offer an inside look.

Gangland Chronicles

Stonework experts Jim and Bill Vieira use cutting-edge technology to take a deeper look at a mysterious inscription which could lead to the truth about the disappearance of 117 colonists from Roanoke Island in the sixteenth century.

Roanoke: A Mystery Carved in Stone

Bounty hunters track down slaves and clash with abolitionists.

Slave Catchers, Slave Resisters

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